Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
3 × 10 = ______
6 × 10 = ______
50 + 10 = ______
45 + 20 = ______
40 + 20 = ______
54 + 10 = ______
65 + 20 = ______
28 + 20 = ______
8 × 10 = ______
81 − 10 = ______
62 − 10 = ______
67 + 20 = ______
24 + 20 = ______
1 × 10 = ______
36 − 10 = ______
2 × 10 = ______
9 × 10 = ______
75 − 10 = ______
24 + 10 = ______
35 − 10 = ______
